Orthodontic appliance accessory



FIG. 1 is a top rear perspective view of an orthodontic appliance accessory showing our new design.

FIG. 2 is a top front perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a side elevation view thereof, seen from the left of FIG. 3;

FIG. 5 is a side elevation view thereof, seen from the right of FIG. 3;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a top rear perspective view of a second embodiment thereof;

FIG. 10 is a top front perspective view of the second embodiment thereof;

FIG. 11 is a front elevation view of the second embodiment thereof;

FIG. 12 is a side elevation view of the second embodiment thereof, seen from the left side of FIG. 11;

FIG. 13 is a side elevation view of the second embodiment thereof, seen from the right side of FIG. 11;

FIG. 14 is a rear elevation view of the second embodiment thereof;

FIG. 15 is a top plan view of the second embodiment thereof; and

FIG. 16 is a bottom plan view of the second embodiment thereof. 

The ornamental design for an orthodontic appliance accessory, as shown and described. 